upstream/bind9
1
0
Fork 0
mirror of https://github.com/isc-projects/bind9.git synced 2026-05-28 04:34:54 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge branch '4043-fix-mul-check' into 'main'

Browse source 
configure: Fix __builtin_mul_overflow() compiler support check

Closes #4043

See merge request isc-projects/bind9!7877
This commit is contained in:
Ondřej Surý 2023-05-02 13:49:07 +00:00
commit 0d9dd5ed24
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
configure.ac
View file

@ -1247,8 +1247,10 @@ AC_LINK_IFELSE(
AC_MSG_CHECKING([compiler support for __builtin_mul_overflow()])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <limits.h>]],
[[return (__builtin_mul_overflow(UINT64_C(UINT64_MAX), UINT64_C(UINT64_MAX), &(uint64_t){ 0 }));]]
[[#include <limits.h>
#include <stdint.h>
]],
[[return (__builtin_mul_overflow(UINT64_MAX, UINT64_MAX, &(uint64_t){ 0 }));]]
)],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_BUILTIN_MUL_OVERFLOW], [1], [define if the compiler supports __builtin_mul_overflow().])